OpenTechnical

OT-2026-000073039

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000073039) never changes.

Identity and time

Publication numberOT-2026-000073039 · never reused
Internal UUID01a0ae92-c816-7e87-93b5-df5ab1848e05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073039
StatusPUBLIC

Content hashes

Canonical textb70a422559001587df7a63e9f1a5bb6f069264d1d52b9162c85af5a3a14f95f1
Markdownab38c993f3e119bd57a67395814fd106bd7570146802d2bea2cae8b9047e275d
PDF
Publication page10ff64690f0b73210ad216496d8b649416a0a4f4089130be44acdfe00abe307d
Manifestb0357111bc8b6deb9c3c03c1e3eddcdedfb559ad6bc09879e30a6b6d1b5d7853

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturezQkdM1Vu6/eZkq1z2PRGkgTa0qMmQH6Vl11M04lMmwTkWnUvrux726odFsxxjxWzzRgzHcpRPz+t/iVXsd0EAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:58.884062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073039
observed 10ff64690f0b73210ad216496d8b6494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.866767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073039/manifest.json
observed b0357111bc8b6deb9c3c03c1e3eddcde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.849084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073039/publication.md
observed ab38c993f3e119bd57a67395814fd106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.829035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073039/publication.txt
observed b70a422559001587df7a63e9f1a5bb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.